Gas Intake Structure for a Gas Stove

ABSTRACT

A tubular intake structure for a gas structure is formed in either side surface thereof with a through hole, a plurality of air deflectors is formed in the through hole and is inclined toward the flow direction of the gas. The air deflectors allow the air to flow enter the intake structures more smoothly. As a result, the mixture ratio of gas to air is more stable, and the flame of the burner is also more stable.

BACKGROUND OF THE INVENTION

1. Field of the Invention

The present invention relates to a gas intake structure, and more particularly to a gas intake structure for a gas stove, which allows air to flow more smoothly, makes the mixture ratio of gas to air more stable, and as a result, the flame of the burner will be stable.

2. Description of the Prior Art

Gas cannot combust without being mixed with Oxygen, therefore, the gas of a gas stove must be mixed with oxygen before ignition, otherwise, it cannot be ignited. A conventional gas stove is shown in FIG. 1, and the cooking part of the gas stove as shown in FIG. 2 comprises a sink 10, a rack 11, a burner 12, two intake pipes 13, two intake structures 14, and a intake valve 15. The rack 11 is detachably disposed at the entrance (not numbered), and the burner 12 is received in the sink 10. The sink 10 is formed with a port (not numbered) for the burner 12. The two intake pipes 13 are disposed on the burner 12 and extend out of the sink 10 via the port (not numbered). The two intake structures 14 and the two intake pipes 13 are connected to each other. The installation positions of the burner 12, the two intake pipes 13 and the two intake structures 14 are shown in FIG. 3. The two intake structures 14 are connected to the intake valve 15. The rough route that the gas takes is from the intake valve 15, via the two intake structures 14 and the two intake pipes 13, and then to the burner 12 for combustion. The intake structures 14 are the places where air enters and is mixed with the gas.

The conventional intake structures 14 include netted intake structure 16 and hole type intake structure 17. The netted intake structure 16, as shown in FIG. 4, has a tubular shape. Both ends of the netted intake structure 16 are connected to the intake valve 15 and the intake pipes 13, respectively. A separating net 161 is arranged on each side of the netted intake structure 16. When flowing through the two nets 161, the gas is mixed with air by the nets 161, so that the gas flowed through the netted intake structure 16 can be mixed with oxygen and will be ignited after being ejected out of the burner 12. However, the direction of air entering the netted intake structure 16 is vertical to the flowing direction of the gas, air cannot enter the netted intake structure 16 easily, as a result, air intake volume is unstable, and the mixture ratio of gas to air is also unstable. Accordingly, the flame of the gas stove is unstable. Besides, making two pieces of separating net 161 is troublesome and not cost saving.

The hole type intake structure 17, as shown FIG. 5, has a tubular shape. Both ends of the hole type intake structure 17 are connected to the intake valve 15 and the intake pipes 13, respectively. A plurality of intake holes 171 is annularly formed in the outer surface of the hole type intake structure 17. As compared with the netted intake structure 16, the hole type intake structure 17 is a unitary structure integrally formed with the intake holes without needing particularly to make the separating nets 161, and its cost is comparatively low. However, air is still unable to enter the hole type intake structure 17 easily, and the unstable mixture ratio of air to gas is still not solved.

The present invention has arisen to mitigate and/or obviate the afore-described disadvantages.

SUMMARY OF THE INVENTION

The primary objective of the present invention is to provide a gas intake structure for a gas stove, which allows air to flow more smoothly into the intake structure and to be mixed with the gas.

To obtain this objective, the tubular intake structure of the present invention is formed in either side surface thereof with a through hole, a plurality of air deflectors is formed in the through hole and is inclined toward the flow direction of the gas. The air deflectors allow the air to flow enter the intake structures more smoothly. As a result, the mixture ratio of gas to air is more stable, and the flame of the burner is also more stable.

The secondary objective of the present invention is to provide a gas intake structure for a gas stove that can prevent the invasion of foreign objects.

In addition to guiding the flow of air, the plurality of air deflectors formed in the through hole can also prevent the invasion of foreign objects into the gas intake structure.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a stereographic view of showing a gas stove;

FIG. 2 is an exploded view of showing a part of the gas stove;

FIG. 3 is an exploded view of showing the burner, the intake pipe, and the intake structure of prior art;

FIG. 4 shows a conventional netted intake structure;

FIG. 5 shows a conventional hole type intake structure;

FIG. 6 is an exploded view of showing a part of the gas stove in accordance with the present invention;

FIG. 7 shows an intake structure in accordance with the present invention;

FIG. 8 is an illustrative view in accordance with the present invention of showing that how air is guided into the intake structure; and

FIG. 9 shows an intake structure in accordance with another embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

The present invention will be more clear from the following description when viewed together with the accompanying drawings, which show, for purpose of illustrations only, the preferred embodiment in accordance with the present invention.

A gas intake structure of the present invention is used in a gas stove, and the cooking part of the gas stove in accordance with present invention, as shown in FIG. 6, comprises: a sink 20, a rack 21, a burner 22, two intake pipes 23, two intake structures 24, and an intake valve 25. The rack 21 is detachably installed in the sink 20, the burner 22 is received in the sink 20, and the sink 20 is formed with a port (not numbered) for the burner 22. The two intake pipes 23 are installed in the burner 22 and extend out of the sink 20 via the port (not numbered). The two intake pipes 23 are connected to the two intake structures 24, and the two intake structures 24 are connected to the intake valve 25.

The embodiment of the present invention is shown in FIG. 7, wherein each of the intake structures 24 is a tubular-shaped and has an open end 241 and an output end 242. A through hole 243 is formed in either side surface of the intake structure 24. A plurality of air deflectors 244 is formed in each of the through holes 243 and is inclined toward the flow direction of the gas. A positioning hole 245 is formed in the open end 241 for positioning the intake valve 25, and the output end 242 is connected to the intake pipes 23.

For a better understanding of the embodiment, its operation and function, reference should be made to FIG. 8, gas A flows through the intake valve 25 into the intake structures 24 and is mixed with air B therein. Since the air deflectors 244 of the intake structures 24 are inclined toward the flow direction of the gas A, the air B will be forced by the flow of the gas A to flow through the through holes 243 and the air deflectors 244 and into the intake structures 24. The inclination angle of the air deflectors 244 allows air B to flow more smoothly, the air B intake volume, the flame of the gas stove, the mixture ratio of gas A to air B will be more stable, and as a result, the flame of the burner 22 will be stable.

The number of the through holes 243 in the side surfaces of the intake structure 24 can be one, two, three or more as desired. And both ends of the through holes 243 are also provided with the air deflector 244 for guiding the flow of the gas. The number of the intake structures 24 and the intake pipes 23 are not limited to two, and can also be one. The intake structures 24 and the intake pipes 23 can be made of hard or flexible material. The intake structures 24, the intake pipes 23, and the burner 22 can be integral with one another, as shown in FIG. 9.

The air deflectors 244 of the intake structures 24 are located at an angle of 35 degrees with respect to the vertical direction of the side surface of the intake structures 24. The angle of the air deflectors 244 with respect to the surface of the intake structures 24 ranges from 20 to 60 degrees.

To summarize, a gas intake structure for a gas stove in accordance with the present invention has a tubular shape, and both ends of the gas intake structure are connected to intake valve and intake pipes, respectively. At least one through hole is formed in side surface of the intake structure, and a plurality of air deflectors is formed in the through hole and is inclined toward the flow direction of the gas. The air deflectors allow the air to flow enter the intake structures more smoothly. As a result, the mixture ratio of gas to air is more stable, and the flame of the burner is also more stable.

While we have shown and described various embodiments in accordance with the present invention, it is clear to those skilled in the art that further embodiments may be made without departing from the scope of the present invention. 

1. A gas intake structure for a gas stove being provided for flow of gas, characterized in that: the intake structure has a tubular shape and is formed in its side surface with at least one through hole, and a plurality of air deflectors is formed in the through hole and is inclined toward the flow direction of gas.
 2. The gas intake structure for a gas stove as claimed in claim 1, wherein the gas stove comprises a sink, a rack, a burner, at least one intake structure, at least one intake pipe and an intake valve, the intake structure has an open end and an output end, the intake pipe and the intake structure are equal in number, the rack is detachably installed in the sink, the burner is received in the sink, the sink is formed with at least one port for the burner, the intake pipe is installed in the burner and extends out of the sink via the port and then is to be connected to the output end of the intake structure, and the open end of the intake structure is connected to the intake valve.
 3. The gas intake structure for a gas stove as claimed in claim 2, wherein an angle of the air deflectors with respect to the side surface of the intake structure ranges from 20 to 60 degrees.
 4. The gas intake structure for a gas stove as claimed in claim 3, wherein a through hole is formed in each opposite side surface of the intake structure.
 5. The gas intake structure for a gas stove as claimed in claim 4, wherein the air deflectors of the intake structure are located at an angle of 35 degrees with respect to a vertical direction of the side surface of the intake structure.
 6. The gas intake structure for a gas stove as claimed in claim 5, wherein both ends of the through holes are provided with air deflector for guiding the flow of the gas, and a positioning hole is formed in the open end for positioning the intake valve.
 7. The gas intake structure for a gas stove as claimed in claim 6, wherein the intake pipe is made of flexible material.
 8. The gas intake structure for a gas stove as claimed in claim 6, wherein the intake pipe is made of hard material.
 9. The gas intake structure for a gas stove as claimed in claim 6, wherein the intake structures, the intake pipes, and the burner are integral with one another.
 10. The gas intake structure for a gas stove as claimed in claim 2, wherein the gas stove is provided with two intake structures and two intake pipes.
 11. The gas intake structure for a gas stove as claimed in claim 10, wherein an angle of the air deflectors with respect to the side surface of the intake structure ranges from 20 to 60 degrees.
 12. The gas intake structure for a gas stove as claimed in claim 11, wherein a through hole is formed in each opposite side surface of the intake structure.
 13. The gas intake structure for a gas stove as claimed in claim 12, wherein the air deflectors of the intake structure are located at an angle of 35 degrees with respect to a vertical direction of the side surface of the intake structure.
 14. The gas intake structure for a gas stove as claimed in claim 13, wherein both ends of the through holes are provided with air deflector for guiding the flow of the gas, and a positioning hole is formed in the open end for positioning the intake valve.
 15. The gas intake structure for a gas stove as claimed in claim 14, wherein the intake pipe is made of flexible material.
 16. The gas intake structure for a gas stove as claimed in claim 14, wherein the intake pipe is made of hard material.
 17. The gas intake structure for a gas stove as claimed in claim 14, wherein the intake structures, the intake pipes, and the burner are integral with one another. 